An omega detective and a (former) beta detective embark on a thrilling undercover mission!

Younger Alpha X Middle-aged Omega!

Detective Joo Hyung-jin, who has hidden his omega identity his entire life, partners with rookie detective Yoon Yi-hwan. One day, while working undercover with his seemingly beta partner, Lee Hwan, he lets his guard down. But then, something strange wafts from him...?